package com.suptrack.web.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.suptrack.entity.User;



/**
 * Servlet Filter implementation class UserFilter
 */
@WebFilter("/RegisteredContent/*")
public class UserFilter implements Filter {
	private FilterConfig config;
   
	public void destroy() {
		this.config = null;
	}

	
	
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {

		if(request instanceof HttpServletRequest ){
		 
				 HttpServletRequest req = (HttpServletRequest) request;
				 HttpServletResponse resp=(HttpServletResponse) response;
				 
				 HttpSession Session= req.getSession();	
				 User filterUser= (User) Session.getAttribute("User");
			
				 	if(filterUser==null ){
				 		
				
				 		resp.sendRedirect( config.getServletContext().getContextPath()+"/index.jsp");
				 		
				 		
					
				return;
				 	}
			
		}	
		chain.doFilter(request, response);
	}

	public void init(FilterConfig fConfig) throws ServletException {
		this.config =fConfig;
	}

}
